the question for us in this room, and us as american it's kindis to say, of bleak to think that the u.s. will have to operate drones and shady partnerships in places like yemen. it is hard work. it is costly. would we be willing to accept a certain inevitability, as europeans in the 1970's expected that there will be terrorist attacks from time to time and it's not the end of the world? , she talkedtano about the idea of resilience. i'm not saying we should accept that as a reality, but it is something that will come up. on the one hand, everybody agrees if you say, would you accept another terrible mass casualty terrorist attack, of course everyone wants to prevent that. powerful nsats of and drone wars -- we are beginning to people say they don't like either. side thatere is a wants to talk about scaling back the war on terrorism, but should also talk about the idea that it is not a false choice to quote speech, between liberty and security. liberty versus security and the various trade-offs and how much terrorism and damage you are willing to accept would be a great other panel for u